22100223334442 has 128 divisors (see below), whose sum is σ = 36965241492480. Its totient is φ = 9826705059840.

The previous prime is 22100223334417. The next prime is 22100223334451. The reversal of 22100223334442 is 24443332200122.

It is a super-4 number, since 4×22100223334442⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22100223334399 and 22100223334408.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39254392853 + ... + 39254393415.

It is an arithmetic number, because the mean of its divisors is an integer number (288790949160).

Almost surely, 2^{22100223334442} is an apocalyptic number.

22100223334442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100223334442 is a deficient number, since it is larger than the sum of its proper divisors (14865018158038).

22100223334442 is a wasteful number, since it uses less digits than its factorization.

22100223334442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 22100223334442 its reverse (24443332200122), we get a palindrome (46543555534564).

The spelling of 22100223334442 in words is "twenty-two trillion, one hundred billion, two hundred twenty-three million, three hundred thirty-four thousand, four hundred forty-two".